FightSystem_API/src/de/steamwar/fightsystem/winconditions/Winconditions.java

@@ -30,5 +30,6 @@ public enum Winconditions {
     POINTS,
     TIME_TECH_KO,
     WATER_TECH_KO,
-    PUMPKIN_TECH_KO
+    PUMPKIN_TECH_KO,
+    HELLS_BELLS
 }

FightSystem_Main/src/de/steamwar/fightsystem/FightSystem.java

@@ -23,6 +23,7 @@ import de.steamwar.core.CommandRemover;
 import de.steamwar.core.Core;
 import de.steamwar.fightsystem.commands.*;
 import de.steamwar.fightsystem.countdown.*;
+import de.steamwar.fightsystem.event.HellsBells;
 import de.steamwar.fightsystem.fight.Fight;
 import de.steamwar.fightsystem.fight.FightTeam;
 import de.steamwar.fightsystem.fight.FightWorld;
@@ -108,6 +109,9 @@ public class FightSystem extends JavaPlugin {
         new RankedPlayerLeftWincondition();
         new WinconditionPercentTimeout();
 
+        //noinspection InstantiationOfUtilityClass
+        new HellsBells();
+
         new NoPlayersOnlineCountdown();
         new PreSchemCountdown();
         new PostSchemCountdown();

FightSystem_Main/src/de/steamwar/fightsystem/event/HellsBells.java

@@ -0,0 +1,263 @@
+/*
+    This file is a part of the SteamWar software.
+
+    Copyright (C) 2020  SteamWar.de-Serverteam
+
+    This program is free software: you can redistribute it and/or modify
+    it under the terms of the GNU Affero General Public License as published by
+    the Free Software Foundation, either version 3 of the License, or
+    (at your option) any later version.
+
+    This program is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+    GNU Affero General Public License for more details.
+
+    You should have received a copy of the GNU Affero General Public License
+    along with this program.  If not, see <https://www.gnu.org/licenses/>.
+*/
+
+package de.steamwar.fightsystem.event;
+
+import de.steamwar.fightsystem.Config;
+import de.steamwar.fightsystem.FightSystem;
+import de.steamwar.fightsystem.countdown.Countdown;
+import de.steamwar.fightsystem.countdown.SWSound;
+import de.steamwar.fightsystem.states.FightState;
+import de.steamwar.fightsystem.states.StateDependent;
+import de.steamwar.fightsystem.winconditions.Winconditions;
+import org.bukkit.Bukkit;
+import org.bukkit.Location;
+import org.bukkit.World;
+import org.bukkit.entity.EntityType;
+import org.bukkit.scheduler.BukkitTask;
+
+import java.util.Arrays;
+import java.util.List;
+import java.util.Random;
+import java.util.concurrent.atomic.AtomicInteger;
+import java.util.logging.Level;
+
+
+public class HellsBells {
+
+	public static final Random random = new Random();
+
+	private final World world = Bukkit.getWorlds().get(0);
+	private final int xLength = Config.RedExtendRegion.getMaxX() - Config.RedExtendRegion.getMinX();
+	private final int zLength = Config.RedExtendRegion.getMaxZ() - Config.RedExtendRegion.getMinZ();
+	private State current = State.PRE;
+	private int currentDrops = 0;
+	private HellsBellsCountdown currentCountdown;
+	private BukkitTask currentDropping;
+	private final List<String> startMessages = Arrays.asList("§c!!Achtung!! Bomber im Anflug, noch ca. eine Minute bis zur Ankunft.",
+															 "§cBomber im Anflug, ca. eine Minute bis zur Ankunft.",
+															 "§cBomber auf dem Radar gesichtet, geschätzte Ankunftszeit: eine Minute.",
+															 "§cUnbekanntes Flugobjekt gesichtet, trifft in ca. einer Minute ein.",
+															 "§cFlugobjekt gesichtet. Ankunft in ca. einer Minute.",
+															 "§cBomber erschienen, Ankunft ca. eine Minute.");
+	private final List<String> stateSwapMessages = Arrays.asList("§aDie Bomben fallen nun schneller.",
+																 "§aMehr Bomber im Anflug.",
+																 "§aZusätzliche Bomber gesichtet.",
+																 "§aDas Bombardement scheint sich zu erhöhen.");
+
+	public void startCountdown() {
+		if (current == State.PRE) {
+			Bukkit.broadcastMessage(FightSystem.PREFIX + (startMessages.get(random.nextInt(startMessages.size()))));
+			current = current.getNext();
+		} else if (current != State.LAST && currentDrops >= current.SWITCH_AFTER) {
+			Bukkit.broadcastMessage(FightSystem.PREFIX + (stateSwapMessages.get(random.nextInt(stateSwapMessages.size()))));
+			currentDrops = 0;
+		}
+
+		currentDrops++;
+		currentCountdown = new HellsBellsCountdown(current.MIN_TIME + random.nextInt(current.MAX_TIME - current.MIN_TIME));
+		currentCountdown.enable();
+	}
+
+	public void drop() {
+		Direction direction = Direction.getRandom();
+
+		AtomicInteger length = new AtomicInteger(20 + random.nextInt(direction.getLength(zLength, xLength) - 20));
+		int width = 5 + random.nextInt(5);
+		Bukkit.getLogger().log(Level.INFO, "Calculating Starts");
+		int xOffset = getStart(direction.getLength(xLength, zLength), direction.getLength(length.get(), width));
+		int zOffset = getStart(direction.getLength(zLength, xLength), direction.getLength(width, length.get()));
+		int yOffset = getHeightStart();
+
+		Point redStart;
+		Point blueStart;
+
+		if (direction.isNorthOrWest()) {
+			redStart = new Point(Config.RedExtendRegion.getMaxX() - xOffset, Config.RedExtendRegion.getMaxY() + yOffset, Config.RedExtendRegion.getMaxZ() - zOffset);
+			blueStart = new Point(Config.BlueExtendRegion.getMinX() + xOffset, Config.BlueExtendRegion.getMaxY() + yOffset, Config.BlueExtendRegion.getMinZ() + zOffset);
+		} else {
+			redStart = new Point(Config.RedExtendRegion.getMinX() + xOffset, Config.RedExtendRegion.getMaxY() + yOffset, Config.RedExtendRegion.getMinZ() + zOffset);
+			blueStart = new Point(Config.BlueExtendRegion.getMaxX() - xOffset, Config.BlueExtendRegion.getMaxY() + yOffset, Config.BlueExtendRegion.getMaxZ() - zOffset);
+		}
+
+		currentDropping = Bukkit.getScheduler().runTaskTimer(FightSystem.getPlugin(), () -> {
+			for (int w = 0; w < width; w++) {
+				if (direction.isNorthOrWest()) {
+					world.spawnEntity(redStart.addAndToLocation(world, -1 * (direction.dx * length.get() + w * direction.other().dx), 0, -1 * (direction.dz * length.get() + w * direction.other().dz)), EntityType.PRIMED_TNT);
+
+					world.spawnEntity(blueStart.addAndToLocation(world, direction.dx * length.get() + w * direction.other().dx, 0, direction.dz * length.get() + w * direction.other().dz), EntityType.PRIMED_TNT);
+				} else {
+					world.spawnEntity(redStart.addAndToLocation(world, direction.dx * length.get() + w * direction.other().dx, 0, direction.dz * length.get() + w * direction.other().dz), EntityType.PRIMED_TNT);
+
+					world.spawnEntity(blueStart.addAndToLocation(world, -1 * (direction.dx * length.get() + w * direction.other().dx), 0, -1 * (direction.dz * length.get() + w * direction.other().dz)), EntityType.PRIMED_TNT);
+				}
+			}
+			if (length.addAndGet(-2) <= 0) {
+				currentDropping.cancel();
+			}
+		}, 0L, 4L);
+	}
+
+	private int getStart(int regionSize, int length) {
+		double randomNumber = (random.nextDouble() - random.nextDouble()) / 2 + 0.5;
+		Bukkit.getLogger().log(Level.INFO, "Calculated Start: " + (int) (randomNumber * (regionSize - length)));
+		return Math.max(Math.min((int) (randomNumber * (regionSize - length)), regionSize - length), 0);
+	}
+
+	private int getHeightStart() {
+		return 5 + random.nextInt(15);
+	}
+
+	public HellsBells() {
+		new StateDependent(Winconditions.HELLS_BELLS, FightState.Running) {
+			@Override
+			public void enable() {
+				startCountdown();
+			}
+
+			@Override
+			public void disable() {
+				currentCountdown.disable();
+			}
+		}.register();
+	}
+
+	private class HellsBellsCountdown extends Countdown {
+		public HellsBellsCountdown(int time) {
+			super(time, SWSound.BLOCK_NOTE_BASS, true);
+		}
+
+		@Override
+		public String countdownCounting() {
+			return "bis die Bomben fallen";
+		}
+
+		@Override
+		public void countdownFinished() {
+			drop();
+			startCountdown();
+		}
+	}
+
+	private static class Point {
+
+		private final int x;
+		private final int y;
+		private final int z;
+
+		public Point(int x, int y, int z) {
+			this.x = x;
+			this.y = y;
+			this.z = z;
+		}
+
+		public Location addAndToLocation(World world, int x, int y, int z) {
+			return new Location(world, this.x + x, this.y + y, this.z + z); //NOSONAR
+		}
+	}
+
+	private enum State {
+
+		PRE(60, 80, 1),
+		FIRST(40, 60, 3),
+		SECOND(30, 40, 4),
+		THIRD(20, 30, 4),
+		FOURTH(10, 20, 5),
+		LAST(5, 10, 0);
+
+
+		State(int minTime, int maxTime, int switchAfter) {
+			this.MIN_TIME = minTime;
+			this.MAX_TIME = maxTime;
+			this.SWITCH_AFTER = switchAfter;
+		}
+
+		private final int MIN_TIME; //NOSONAR
+		private final int MAX_TIME; //NOSONAR
+		private final int SWITCH_AFTER; //NOSONAR
+
+
+		public State getNext() {
+			switch (this) {
+				case PRE:
+					return FIRST;
+				case FIRST:
+					return SECOND;
+				case SECOND:
+					return THIRD;
+				case THIRD:
+					return FOURTH;
+				case FOURTH:
+				case LAST:
+					return LAST;
+				default:
+					return PRE;
+			}
+		}
+	}
+
+	private enum Direction {
+		NORTH(0, 0, 1),
+		SOUTH(0, 0, -1),
+		EAST(1, 0, 0),
+		WEST(-1, 0, 0);
+
+
+		int dx;
+		int dy;
+		int dz;
+
+		Direction(int dx, int dy, int dz) {
+			this.dx = dx;
+			this.dy = dy;
+			this.dz = dz;
+		}
+
+		public static Direction getRandom() {
+			return Direction.values()[random.nextInt(Direction.values().length)];
+		}
+
+		Direction other() {
+			switch (this) {
+				case NORTH:
+					return EAST;
+				case SOUTH:
+					return WEST;
+				case EAST:
+					return NORTH;
+				case WEST:
+					return SOUTH;
+				default:
+					return this;
+			}
+		}
+
+		public int getLength(int length1, int length2) {
+			return isNorthOrSouth() ? length1 : length2;
+		}
+
+		public boolean isNorthOrSouth() {
+			return this == NORTH || this == SOUTH;
+		}
+
+		public boolean isNorthOrWest() {
+			return this == NORTH || this == WEST;
+		}
+	}
+}

FightSystem_Main/src/de/steamwar/fightsystem/listener/ArrowStopper.java

@@ -21,7 +21,6 @@ package de.steamwar.fightsystem.listener;
 
 import de.steamwar.fightsystem.Config;
 import de.steamwar.fightsystem.states.FightState;
-import de.steamwar.fightsystem.states.StateDependentListener;
 import de.steamwar.fightsystem.states.StateDependentTask;
 import org.bukkit.Bukkit;
 import org.bukkit.Location;
@@ -29,17 +28,15 @@ import org.bukkit.block.Block;
 import org.bukkit.block.BlockFace;
 import org.bukkit.entity.Arrow;
 import org.bukkit.entity.Player;
-import org.bukkit.event.Listener;
 import org.bukkit.projectiles.ProjectileSource;
 import org.bukkit.util.Vector;
 
-public class ArrowStopper implements Listener {
+public class ArrowStopper {
 
     private static final Vector NULL_VECTOR = new Vector(0, 0, 0);
     private static final BlockFace[] BLOCK_FACES = {BlockFace.UP, BlockFace.DOWN, BlockFace.EAST, BlockFace.WEST, BlockFace.NORTH, BlockFace.SOUTH};
 
     public ArrowStopper() {
-        new StateDependentListener(Config.TechhiderActive, FightState.Running, this);
         new StateDependentTask(Config.TechhiderActive, FightState.Running, this::run, 1, 1);
     }
 
@@ -85,7 +82,7 @@ public class ArrowStopper implements Listener {
     }
 
     private boolean checkBlock(Block block) {
-        return Config.HiddenBlocks.contains(block.getType().name());
+        return Config.HiddenBlocks.contains(block.getType().name().toLowerCase());
     }
 
     private boolean invalidEntity(Arrow entity) {

FightSystem_Main/src/de/steamwar/fightsystem/utils/TechHider.java

@@ -82,7 +82,7 @@ public class TechHider extends StateDependent {
                 public void onPacketReceiving(PacketEvent e) {
                     Player p = e.getPlayer();
 
-                    if(p.getGameMode() == GameMode.SPECTATOR)
+                    if(p == null || p.getGameMode() == GameMode.SPECTATOR)
                         e.setCancelled(true);
                 }
             });